Q7. Haemophiliacs possess a non-functional form of the gene responsible for the production ofblood clotting factors. Shown below is the occurrence of haemophilia in one family.Offspring phenotypes25. Haemophilia is a sex-linked genetic disease which results in the blood failing toElot properly. It is caused by a recessive allele on th e X chromosome. Shown belowhe occurrence of haemophilia in one family. (8)= male= female= male haemophiliac101112(i)Using the following symbols:H.= dominant alleleh= recessive alleleate the genotypes of the following individuals. The first one has been completed.individualgenotypeUsing the following symbols:H = dominant allele h = recessive allele1) State the genotypes of the following individuals.IndividualGenotype1239.

Name: Q7. Haemophiliacs possess a non-functional form of the gene responsib
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Description: Q7. Haemophiliacs possess a non-functional form of the gene responsible for the production ofblood clotting factors. Shown below is the occurrence of haemophilia in one family.Offspring phenotypes25. Haemophilia is a sex-linked genetic disease which

Here I will give you the genotypes of individuals in given pedigree.

Answered: Q7. Haemophiliacs possess a…

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter12: Mendel's Experiments And Heredity

Section: Chapter Questions

Problem 13RQ: The ABO blood groups in humans are expressed as the IAlB, and IAalleles. The allele encodes the A...

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Q7. Haemophiliacs possess a non-functional form of the gene responsible for the production of
blood clotting factors. Shown below is the occurrence of haemophilia in one family.
Offspring phenotypes
25. Haemophilia is a sex-linked genetic disease which results in the blood failing to
Elot properly. It is caused by a recessive allele on th e X chromosome. Shown below
he occurrence of haemophilia in one family. (8)
= male
= female
= male haemophiliac
10
11
12
(i)
Using the following symbols:
H.
= dominant allele
h
= recessive allele
ate the genotypes of the following individuals. The first one has been completed.
individual
genotype
Using the following symbols:
H = dominant allele h = recessive allele
1) State the genotypes of the following individuals.
Individual
Genotype
1
2
3
9.

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ABO blood groups in humans are an example of discontinuous variation, whereas height is a example of continuous variation. Describe how these two examples differ in terms of genetic control

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On the basis of the information provided, is the inheritance of haemophilia:

autosomal or sex-linked?

dominant or recessive

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